Doctor profile · Federal record

Dr. Siamac Esfandi, MD

Neurology Physician (CMS: Neurology) · Lakewood, CO

  • NPI 1225271455
  • Accepts Medicare
  • MIPS 88.2 / 100 · 2023
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
11750 W 2Nd Pl Ste 255
Lakewood, CO 802281726
(720) 321-8040
fax (720) 321-8041
Additional location
12631 E 17Th Ave, Mail Stop B185, Ao1 Room 5513
Aurora, CO 800452527
(303) 724-2187
fax (303) 724-0985

Credentials & registration

NPPES · NUCC
NPI registered
April 2009 — 17 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Colorado #DR.0056777

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225271455. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
228
Distinct HCPCS
5
Medicare allowed
$35,466
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 86 77 $130
99205 New patient office or other outpatient visit, 60-74 minutes 48 48 $224
99215 Established patient office or other outpatient visit, 40-54 minutes 43 38 $183
99213 Established patient office or other outpatient visit, 20-29 minutes 38 32 $92
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $170

In context: peer comparison

Among 3 peers in this city , average services per provider: 40. This provider delivers 5.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$259
Transactions
8
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 5 $153.65
Celgene Corporation 2 $81.32
PFIZER INC. 1 $24.14

By nature of payment

Food and Beverage
$259

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
900
Patients
175
Total drug cost
$143,051
Drug Type Claims Patients Total cost
Duloxetine Hcl Generic 153 34 $6,094
Gabapentin Generic 151 54 $5,899
Baclofen Generic 74 24 $1,683
Aimovig Autoinjector (Erenumab-Aooe) Brand 71 11 $60,893
Dalfampridine Er (Dalfampridine) Brand 61 0 $20,893
Tizanidine Hcl Generic 49 13 $1,458
Sumatriptan Succinate Generic 48 12 $945
Venlafaxine Hcl Er (Venlafaxine Hcl) Brand 48 0 $878
Pregabalin Generic 43 15 $932
Nortriptyline Hcl Generic 39 0 $882

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Siamac Esfandi's medical specialty?
Dr. Siamac Esfandi practices Neurology Physician in Lakewood, CO.
Where does Dr. Siamac Esfandi practice?
Dr. Siamac Esfandi practices at 11750 W 2Nd Pl Ste 255, Lakewood, CO 802281726. Office phone: 7203218040.
What is Dr. Siamac Esfandi's NPI?
Dr. Siamac Esfandi's National Provider Identifier (NPI) is 1225271455, issued by NPPES.
Does Dr. Siamac Esfandi accept Medicare assignment?
Yes. Dr. Siamac Esfandi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Siamac Esfandi commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.